X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=tools%2Fprepare_data;h=a7f1eb4e2a8404eb7adb921fb62c998b8030d3a7;hp=76ced9ff84a824d01681dcefc2239fb92121cfa1;hb=2829b50d6b3d9e97fc9399f5b6929f7d64021366;hpb=a550cf151e8fc6626e788fb2bdc72cf03565ff8b

diff --git a/tools/prepare_data b/tools/prepare_data
index 76ced9f..a7f1eb4 100755
--- a/tools/prepare_data
+++ b/tools/prepare_data
@@ -3,6 +3,8 @@
 indir=datasrc
 descfile=$indir/datadesc
 outdir=data
+filter=$1
+force_update=false
 
 process()
 {
@@ -33,23 +35,44 @@ copy()
 	fi
 }
 
+for arg; do
+	case "$arg" in
+	-f)
+		force=true
+		;;
+	esac
+done
+
+if [ -z "$filter" ]; then
+	filter='.*'
+fi
+
 mkdir -p $outdir
 
 while read line; do
-    line=$(echo $line | sed 's/#.*$//')
+    line=$(echo $line | sed 's/#.*$//' | grep "$filter")
     if [ -n "$line" ]; then
         path=$(echo $line | awk -F : '{ print $1; }')
         fname=$(basename $path)
         op=$(echo $line | awk -F : '{ print $2; }' | xargs)
 
-        if [ "$op" = nop ]; then
-            echo copying $fname
-            mkdir -p $outdir/$(dirname $path)
-            copy $indir/$path $outdir/$path
-        else
-            echo processing $fname
-            mkdir -p $outdir/$(dirname $path)
-            process $indir/$path $outdir/$path "$op"
-        fi
+		infile=$indir/$path
+		outfile=$outdir/$path
+
+		if $force_update; then
+			touch "$infile"
+		fi
+
+		if [ \( ! -f "$outfile" \) -o \( "$infile" -nt "$outfile" \) ]; then
+			if [ "$op" = nop ]; then
+				echo copying $fname
+				mkdir -p $outdir/$(dirname $path)
+				copy $indir/$path $outdir/$path
+			else
+				echo processing $fname
+				mkdir -p $outdir/$(dirname $path)
+				process $indir/$path $outdir/$path "$op"
+			fi
+		fi
     fi
 done <$descfile